cmake: Set correct sonames for libprotobuf-lite.so and libprotoc.so (#9529)

Soname was set for libprotobuf.so in commit a9cf69a0ed7766f56976e48a0c96300e94433511,
but similar changes for libprotobuf-lite.so and libprotoc.so were missed.

Fixes: #8635

Co-authored-by: Arfrever Frehtes Taifersar Arahesis <Arfrever@GMail.Com>